MARCONI-OSRAM VALVES Silica Transmitting Pentode NT63A
Tube à silice
Silica-Röhre

NT = Naval Transmitting
Admiralty Pattern 798A = 10E/442 = CV1239

The anode is made of a basket-weave of molybdenum ribbon.

Filament: 13 V @ 40.8 A
Emission: max. 2 A, typical 60 mA
Anode voltage: max. 10 kV, typical 6 kV
Plate dissipation: max. 2.5 kW

 

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Longueur de l'ampoule • Bulb length • Birnen Länge : 33 cm • 13"
Diamètre • Diameter • Durchmesser : 9 cm • 3" 1/2

 

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